Physics, 05.07.2019 07:30 jeanneschu
An ambulance siren sounds different as it approaches you than when it moves away from you. what scientific term would you use to explain how this happens? a. ultrasound b. diffraction c. rarefaction d. the doppler effect the part of the ear that sends coded nerve signals to the brain is a. the outer ear. b. the inner ear. c. the middle ear. d. the eardrum *** to what is amplitude related? a. the amount of energy carried by the wave b. the maximum displacement from the rest position c. neither of the above d. both the first and the second choices above.
Answers: 1
Physics, 21.06.2019 22:00
If the speed of a particle triples ,by what factor does its kinetic energy increase?
Answers: 2
Physics, 21.06.2019 23:10
Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net
Answers: 1
Physics, 22.06.2019 06:30
Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.
Answers: 2
Physics, 22.06.2019 13:40
Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?
Answers: 2
An ambulance siren sounds different as it approaches you than when it moves away from you. what scie...
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